Summary

Chain Reaction’ is the entertaining BBC Radio 4 tag talk show where this week's guest is next week's interviewer. Famous names from the world of showbusiness choose who they would like to chat to, and must submit to being questioned in their turn the week after. In this seventh series, guests (and hosts) include Marcus Brigstocke, Clive Anderson, John Lloyd, Phill Jupitus, John Hegley, Jack Dee and Jeremy Hardy.